ARM: dts: sun8i: h3: fix ALL-H3-CC H3 ver VDD-CPUX voltage

The VDD-CPUX voltage of ALL-H3-CC H3 ver should be 1.2V, not the 3.3V
currently defined in the device tree.

Fix the voltage in the device tree.

Fixes: 6ca35864 ("ARM: dts: sun8i: h3: Add dts file for Libre Computer Board ALL-H3-CC H3 ver.")
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Cc: <stable@vger.kernel.org> # 4.16.x
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

arch/arm/boot/dts/sun8i-h3-libretech-all-h3-cc.dts

@@ -113,8 +113,8 @@ reg_vcc_io: vcc-io {
 	reg_vdd_cpux: vdd-cpux {
 		compatible = "regulator-fixed";
 		regulator-name = "vdd-cpux";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
 		regulator-always-on;
 		regulator-boot-on;
 		vin-supply = <&reg_vcc5v0>;